My friend Raphael let this huge longhorned beetle, Callipogon armillatus, crawl on him for the photo shoot. Unrestrained there was little danger of it biting, even though it had jaws like a pair of vise-grip pliers. Yasuni National Park, eastern Ecuador.
For more views of this beetle go to the following image and click the right arrow. This is my Cerambycidae (longhorned beetles) of Ecuador album with plenty of others to look at as well.